1 files changed, 10 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/7854.v b/test-suite/bugs/closed/7854.v
new file mode 100644
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+++ b/test-suite/bugs/closed/7854.v
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+Set Primitive Projections.
+
+CoInductive stream (A : Type) := cons {
+  hd : A;
+  tl : stream A;
+}.
+
+CoFixpoint const {A} (x : A) := cons A x (const x).
+
+Check (@eq_refl _ (const tt) <<: tl unit (const tt) = const tt).